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Handle binary files in diffs
This teaches all diff-related operations (i.e. ui-log, ui-diff and ui-patch) how to handle binary files. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
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parent
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commit
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4
cgit.h
4
cgit.h
@ -15,6 +15,7 @@
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#include <revision.h>
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#include <log-tree.h>
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#include <archive.h>
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#include <xdiff-interface.h>
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#include <xdiff/xdiff.h>
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#include <utf8.h>
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@ -221,7 +222,8 @@ extern void *cgit_free_commitinfo(struct commitinfo *info);
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extern int cgit_diff_files(const unsigned char *old_sha1,
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const unsigned char *new_sha1,
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linediff_fn fn);
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unsigned long *old_size, unsigned long *new_size,
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int *binary, linediff_fn fn);
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extern void cgit_diff_tree(const unsigned char *old_sha1,
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const unsigned char *new_sha1,
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13
shared.c
13
shared.c
@ -257,8 +257,8 @@ int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
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}
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int cgit_diff_files(const unsigned char *old_sha1,
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const unsigned char *new_sha1,
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linediff_fn fn)
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const unsigned char *new_sha1, unsigned long *old_size,
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unsigned long *new_size, int *binary, linediff_fn fn)
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{
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mmfile_t file1, file2;
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xpparam_t diff_params;
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@ -268,6 +268,15 @@ int cgit_diff_files(const unsigned char *old_sha1,
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if (!load_mmfile(&file1, old_sha1) || !load_mmfile(&file2, new_sha1))
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return 1;
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*old_size = file1.size;
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*new_size = file2.size;
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if (buffer_is_binary(file1.ptr, file1.size) ||
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buffer_is_binary(file2.ptr, file2.size)) {
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*binary = 1;
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return 0;
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}
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memset(&diff_params, 0, sizeof(diff_params));
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memset(&emit_params, 0, sizeof(emit_params));
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memset(&emit_cb, 0, sizeof(emit_cb));
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26
ui-diff.c
26
ui-diff.c
@ -27,6 +27,9 @@ static struct fileinfo {
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char *new_path;
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unsigned int added;
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unsigned int removed;
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unsigned long old_size;
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unsigned long new_size;
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int binary:1;
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} *items;
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@ -86,6 +89,11 @@ static void print_fileinfo(struct fileinfo *info)
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info->status == DIFF_STATUS_COPIED ? "copied" : "renamed",
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info->old_path);
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html("</td><td class='right'>");
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if (info->binary) {
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htmlf("bin</td><td class='graph'>%d -> %d bytes",
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info->old_size, info->new_size);
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return;
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}
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htmlf("%d", info->added + info->removed);
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html("</td><td class='graph'>");
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htmlf("<table summary='file diffstat' width='%d%%'><tr>", (max_changes > 100 ? 100 : max_changes));
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@ -110,10 +118,14 @@ static void count_diff_lines(char *line, int len)
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static void inspect_filepair(struct diff_filepair *pair)
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{
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int binary = 0;
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unsigned long old_size = 0;
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unsigned long new_size = 0;
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files++;
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lines_added = 0;
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lines_removed = 0;
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cgit_diff_files(pair->one->sha1, pair->two->sha1, count_diff_lines);
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cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size, &new_size,
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&binary, count_diff_lines);
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if (files >= slots) {
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if (slots == 0)
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slots = 4;
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@ -130,6 +142,9 @@ static void inspect_filepair(struct diff_filepair *pair)
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items[files-1].new_path = xstrdup(pair->two->path);
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items[files-1].added = lines_added;
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items[files-1].removed = lines_removed;
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items[files-1].old_size = old_size;
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items[files-1].new_size = new_size;
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items[files-1].binary = binary;
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if (lines_added + lines_removed > max_changes)
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max_changes = lines_added + lines_removed;
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total_adds += lines_added;
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@ -233,6 +248,10 @@ static void header(unsigned char *sha1, char *path1, int mode1,
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static void filepair_cb(struct diff_filepair *pair)
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{
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unsigned long old_size = 0;
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unsigned long new_size = 0;
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int binary = 0;
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header(pair->one->sha1, pair->one->path, pair->one->mode,
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pair->two->sha1, pair->two->path, pair->two->mode);
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if (S_ISGITLINK(pair->one->mode) || S_ISGITLINK(pair->two->mode)) {
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@ -242,8 +261,11 @@ static void filepair_cb(struct diff_filepair *pair)
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print_line(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52);
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return;
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}
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if (cgit_diff_files(pair->one->sha1, pair->two->sha1, print_line))
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if (cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size,
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&new_size, &binary, print_line))
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cgit_print_error("Error running diff");
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if (binary)
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html("Binary files differ");
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}
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void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefix)
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7
ui-log.c
7
ui-log.c
@ -26,9 +26,14 @@ void count_lines(char *line, int size)
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void inspect_files(struct diff_filepair *pair)
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{
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unsigned long old_size = 0;
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unsigned long new_size = 0;
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int binary = 0;
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files++;
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if (ctx.repo->enable_log_linecount)
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cgit_diff_files(pair->one->sha1, pair->two->sha1, count_lines);
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cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size,
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&new_size, &binary, count_lines);
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}
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void show_commit_decorations(struct commit *commit)
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@ -57,6 +57,10 @@ static void header(unsigned char *sha1, char *path1, int mode1,
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static void filepair_cb(struct diff_filepair *pair)
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{
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unsigned long old_size = 0;
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unsigned long new_size = 0;
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int binary = 0;
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header(pair->one->sha1, pair->one->path, pair->one->mode,
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pair->two->sha1, pair->two->path, pair->two->mode);
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if (S_ISGITLINK(pair->one->mode) || S_ISGITLINK(pair->two->mode)) {
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@ -66,8 +70,11 @@ static void filepair_cb(struct diff_filepair *pair)
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print_line(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52);
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return;
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}
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if (cgit_diff_files(pair->one->sha1, pair->two->sha1, print_line))
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if (cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size,
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&new_size, &binary, print_line))
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html("Error running diff");
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if (binary)
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html("Binary files differ\n");
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}
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void cgit_print_patch(char *hex)
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